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Art. XXIV . — Meteorological Observations made at Leith . By 
Messrs Coldstream and Foggo. 
The journal from which the following monthly results are 
extracted, is kept about 20 feet above the level of the sea, 
and a few hundred yards distant from it. The Thermometer 
is registered at 9 a. m. and 9 p. m. ; the Barometer at 9 a. m. 
Noon, 4 p. m. and 9 p. m. ; the Rain-Gauge and Wind-Vane at 
noon. The Hygrometrical observations are made by means of 
two Thermometers, one of which has its bulb covered with silk, 
and moistened with water ; m their indications are registered at 
noon. 
MARCH 1825. 
Results. 
1. Temperature. Fahr. Then 
Mean of the month, 39°-790 
Maximum by Register Thermometer, 61.090 
Minimum by ditto,.,... 29.000 
Range, 32.000 
Mean of the extremes, 45.000 
2. Pressure. t Inches. 
Mean of the Month, 3(1,048 
Maximum observed, 30,620 
Minimum observed, 29,130 
Range, 1,490 
3. Humidity. Fahr. Then 
4 Mean difference during the month between the two Ther- 
mometers, ., 2°.61 
Maximum ditto, 3.90 
Minimum ditto,..., 0.50 
4. Rain, 0.200 inches in 5 days. 
5. Winds, NE. 3, E. 3, S. 4, SE. 8, SW. 7, W. 4, 
NW. 1, Var. 1 days. 
Remarks. 
4 tli .- — The first three days of the month were very stormy ; the wind had 
not been so high for four months, as it was on the 3d. Solar radiation this 
day at 2 p. m., 26°. 
12^.— Weather, since the 4th, variable; little rain. Solar radiation this 
day 31°, at 1 p. m. 
VOL. XIII. NO. 25. JULY 1825. H 
